CJCP     2009 11 (12):  1006-1007    ISSN: 1008-8830  CN: 43-1301/R A comparative study on psychological and behavioral development in children aged 1 to 3 years fostered by grandparents and by parents WANG Ping, SONG Pu, CHEN Cai-Ping, LIANG Juan, JIAN Fang-Fang, ZHANG Jin-Bao Department of Pediatrics, Xijing Hospital, Fourth Military Medical University, Xi′an 710032, China. Email: wangping@fmmuedu.cn Received: null  Revised: null  Online: null Supporting info